20829851

素因数分解:

$7^2\times {\mathrm{79}}^1\times {\mathrm{5381}}^1$

素因数の和:5474

約数の個数: 12

約数和(自身を含む): 24541920

約数和(自身を除く): 3712069

約数列:

[1, 7, 49, 79, 553, 3871, 5381, 37667, 263669, 425099, 2975693, 20829851]

約数ペア:

[(1, 20829851), (7, 2975693), (49, 425099), (79, 263669), (553, 37667), (3871, 5381)]